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Fencer Vulns
critical 9.8

CVE-2023-46271 json

Extreme Networks IQ Engine before 10.6r1a, and through 10.6r4 before 10.6r5, has a buffer overflow.

published 2025-02-19 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-50498

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Extreme Networks IQ Engine before 10.6r1a, and through 10.6r4 before 10.6r5, has a buffer overflow. This issue arises from the ah_webui service, which listens on TCP port 3009 by default.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
20 mo ago

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.